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The world's first automatic litter box with an AI-powered camera for urinary health monitoring, alerting you to potential issues. With real-time monitoring, it helps ensure your cat’s well-being by providing early warnings for FLUTD (Feline Lower Urinary Tract Disease). In addition to the convenience of up to 30 days of scoop-free operation, the open-top design offers unmatched freedom and comfort — even for the large cats like Maine Coons.


Big-Cat Roomy, Short-Leg Easy
This open-top litter box with low entrance works for all cats. Large kitties can turn around freely; seniors or short-legged cats step in effortlessly.

Fresh Reset with Every Replacement
Crystal litter eliminates daily chores and keeps your cat’s litter area clean and hygienic. One pack lasts for weeks for single-cat households, paired with a leak-proof, disposable tray.




Keep track of your cat’s bathroom routines to catch early warning signs of abnormalities. Combine with the PETKIT Urine Monitor Crystal Litter Set (sold separately) for instant alerts about potential urinary stones.
Get timely alerts whenever loose stool is detected, and keep your cat’s litter box clean and hygienic. Less stress, less mess, and more peace of mind for you.
Yowling during litter box use may indicate urinary issues or that your cat isn’t feeling well. Receive instant app notifications so you can stay on top of your cat’s health.
Control when the camera is active and keep monitoring limited to what matters. All data is encrypted and accessible only to you.

100% Safe for Peace of Mind
Four detection sensors keep your cat safe. The rake automatically stops when your cat enters, ensuring worry-free use.

No Corners Missed, No Waste Left
With dual waste traps and two-way raking, every corner is thoroughly cleaned, removing all waste into the side traps, no mess left behind.

Litter Tray Replacement Cycle
Actual lifespan varies based on your cat’s age, weight, diet and health.
*The tray is designed for one-time use with no washing required. Each tray lasts up to 45 days for optimal performance.

Specs
Model: P9905
App Connection: 2.4 & 5GHz Wi-Fi
Dimensions: 32.20*19.96*13.14 in
Entrance Height: 7.08 in (180 mm)
Weight: about 12.45 lbs (5.65 kg)
Rated input: 12V ⎓ 2A
Materials: ABS, Silicone
Cat Weight Limit: over 3.3 lbs (1.5kg)
FAQ
Can I use cat litter from other brands or types with Purobot Crystal Duo?
No. Purobot Crystal Duo is only compatible with the PETKIT Crystal Litter Set (including crystal cat litter and litter tray), which absorbs urine and controls odors effectively, allowing pet owners to simply load the litter tray and forget about scooping or cleaning for up to 30 days.
Is the crystal litter safe for my cat to use?
Our litter is made from silica gel - crystals derived from naturally occurring minerals. It’s completely safe to use in your cat’s litter box. However, to avoid any risk of choking, please ensure your cat does not ingest the crystal litter.
How is my data protected?
Your camera footage is encrypted and stored in the cloud, and cloud storage eliminates the risk of data loss due to local hardware issues (e.g., a damaged SD card), so you can use it with confidence.
Is it possible to turn off the camera when I don’t need to use it?
Yes. You can turn off the camera directly in the Settings. After turning it off, the camera will not record any video footage. You can also set scheduled video recordings based on your needs.
Does it work with 5GHz networks?
Yes, it supports both 2.4GHz and 5GHz networks.
Is there a weight limit for PUROBOT CRYSTAL DUO?
It is suitable for all-sized cats, including Maine Coon, ensuring every cat can enjoy a clean litter experience.
Is this automatic litter box safe for my cat to use?
Safety sensors ensure the scooping cycle only activates when your cat is out of the box, meaning it’s safe for your curious kitty to use without any worries.
Can my kitten use it?
Kittens under 6 months old or weighing less than 1.5 kg are not allowed to use it. For households with kittens, please enable Kitten Protection mode. When this mode is on, the litter box won’t automatically clean after use. If you activate the scooping cycle manually, please ensure there is no cat inside during scooping.
How does it effectively control odors?
The crystal litter used in this litter box absorbs urine and dehydrates solid waste, providing superior odor control. Dual waste trap is designed with improved odor control. The odor eliminator N60, paired with a smart fan, removes up to 96% of ammonia, keeping your home fresh and clean.
How do I dispose of the used litter?
Cleaning up has never been easier! Each tray includes a trash bag for quick and hassle-free disposal. Simply remove the disposable tray, cover and toss it away. Each tray includes a trash bag for quick and hassle-free disposal.
Will it protect my floors from litter mess?
The low-tracking crystals are 99% dust free and won't stick to your cat's paws, ensuring your floors stay clean and tidy.
Compare Our Products
Basic Features
Up to 30 days
Up to 20 days
Up to 17 days
Up to 15 days
Multi-layer
Multi-layer
Multi-layer
Multi-layer
4 Sensors Open design
20 Sensors Anti-pinch structure
12 Sensors Anti-pinch structure
11 Sensors Anti-pinch structure
PETKIT Crystal litter
One-way
2-way
One-way
40 dB
35 dB
35 dB
35 dB
Cat Recognition & Health Insights
Camera + Weight
Camera + Weight
Weight
Up to 20 cats
Up to 20 cats
Up to 20 cats
Size & Specifications
70L
76L
76L
9.84*8.54 in (250*217 mm)
10.51*10.74 in (267*273 mm)
7.87*10.03 in (200*255 mm)
7.08 in (180 mm)
10.43 in (265 mm)
10.03 in (255 mm)
7.87 in (200 mm)
32.20*19.96*13.14 in (818*507*334 mm)
20.94*32.20*24.09 in (532*818*612 mm)
25.86*21.18*23.74 in (657*538*603 mm)
24.4*21.18*21.7 in (620*538*552 mm)
12.45 lbs (5.65 kg)
32.18 lbs (14.6 kg)
24.25 lbs (11 kg)
22 lbs (10 kg)
over 1.5 kg (3.3 lbs)
1.5-10 kg (3.3-22 lbs)
1.5-10 kg (3.3-22 lbs)
1.5-10 kg (3.3-22 lbs)
2.4 GHz / 5 GHz Wi-Fi
2.4 GHz / 5 GHz Wi-Fi
2.4 GHz / 5 GHz Wi-Fi
2.4 GHz Wi-Fi































